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Real Time Analytics with SAP Hana

You're reading from   Real Time Analytics with SAP Hana Enhance your SAP HANA skills using this step-by-step guide to creating and reporting data models for real-time analytics

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Product type Paperback
Published in Oct 2015
Publisher
ISBN-13 9781782174110
Length 226 pages
Edition 1st Edition
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Author (1):
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Vinay Singh Vinay Singh
Author Profile Icon Vinay Singh
Vinay Singh
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Toc

Table of Contents (11) Chapters Close

Preface 1. Kickoff – Before We Start FREE CHAPTER 2. SAP HANA Data Modeling Approach 3. Different Ways of SAP HANA Data Load 4. Creating SAP HANA Artifacts Attribute Views and Analytical Views 5. Creating SAP HANA Artifacts – Analytical Privileges and Calculation Views 6. Understanding Text Search and Hierarchies in SAP HANA 7. Using Decision Tables and Transporting SAP HANA Content 8. Consuming SAP HANA Data Models 9. An Introduction to Application Function Library Index

What is a decision table?


It is a table representing a complete set of conditional expressions where expressions are mutually exclusive in a predefined area. An example of a decision table is shown in the following figure:

Why use decision tables?

Decision tables in general have the following capabilities:

  • Powerful visualization

  • Compact and structured presentation

  • Easier error prevention

  • Avoidance of incompleteness and inconsistency

  • Modular knowledge organization

  • Ability to group related rules into a single table

  • Ability to combine the tables to achieve a decision

The same usage can be extended to SAP HANA as well:

  • We can use it to implement business rules

  • It can help bring business agility

  • To to create decision tables in sap HANA

  • Calculation view with decision table

A Decision table is a way of implementing business rules in SAP HANA. Having captured the operational decisions, they can be turned into code using the decision tables. Business rules are written on either master data (such as customers, vendor...

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